Joan Is the Owner of a Small Manufacturing Company

Joan is the owner of a small manufacturing company.In prior years,your firm has conducted a review engagement of the company.However,this year,Joan obtained a loan from the federal business development bank and is required to have an audit of her financial statements.When you started asking about controls and procedures at the company,Joan got pretty upset.
"All you need to be concerned about is the numbers! Why are you asking all of these questions? It takes too much time away from my staff to answer these questions! Just check the numbers and let us get on with our work!"
You calmed her down a bit,and reminded her about the general discussion that occurred with the engagement letter.You have invited her for coffee to briefly explain the following items:
1.Why auditors are concerned about internal controls.
2.Why auditors are required to be concerned about internal controls.
3.What you need to do to understand internal controls.
4.What you will do once you have documented your understanding of internal controls.
Required:
Explain what you will say to Joan.